1.
Write
5 less than twice the length equals 11
as an algebraic equation.
A.
2
÷ 5 = 11
B.
2
- 5 = 11
C.
5 < 2
+ 11
D.
- 5 = 11
Hint
2.
Find a solution to the equation using guess-check-and-improve.
11
x
–
x
2
= 18
A.
x
= 10 (18 is also a solution)
B.
x
= 11 (9 is also a solution)
C.
x
= 18 (11 is also a solution)
D.
x
= 9 (2 is also a solution)
Hint
3.
Find a solution to the equation using guess-check-and-improve. Give the solution to the nearest tenth.
8
p
– 22 = 30
A.
p
= 6.5
B.
p
= 6.4
C.
p
= 11.6
D.
p
= 6.0
Hint
4.
Find a solution to the equation using guess-check-and-improve. Give the solution to the nearest tenth.
n
+ 5 = 3(
n
- 2)
A.
n
= 2
B.
n
= 9
C.
n
= 5.5
D.
n
= 8.5
Hint
5.
Which equation would it be easiest to solve using the guess-check-and-improve method?
A.
19 = 53 + 31
y
B.
C.
36 · (5
y
+ 20) = 146
D.
(10 –
y
) ×
y
= 77
Hint